DR. ERIK J PETERSEN MD
NPI 1922210251
Psychiatry & Neurology - Psychiatry in Santa Ana, CA

Q: What is Erik Petersen's NPI number?

The NPI number for Erik Petersen is 1922210251. It was assigned to this individual provider in the NPPES registry on May 7, 2007.

Q: What is Erik Petersen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Erik Petersen was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 07, 2007PECOS EnrolledAccepts Medicare Assignment

999 N TUSTIN AVE STE 216, SANTA ANA, CA 92705(714) 545-5550(949) 609-0374 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 14, 2023, Dec 18, 2015 (2 updates tracked since 2015).

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About Dr. Erik J Petersen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERIK J PETERSEN MD (NPI 1922210251) is an individual psychiatry provider in Santa Ana, California, licensed in California (A137589) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2003).

NPPES Registry Identity

NPI1922210251

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. ERIK J PETERSENCredential: MD

Location Address999 N TUSTIN AVE STE 216Santa Ana, CA 92705-6506

Mailing Address3151 Airway Ave Ste G1Costa Mesa, CA 92626-4624 · (714) 545-5550 · Fax (714) 708-2588

Phone(714) 545-5550

Fax(949) 609-0374

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2003

Enumeration DateMay 7, 2007

Last NPPES UpdateFebruary 18, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 18, 2026

✔ NPI 1922210251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A137589

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

999 N TUSTIN AVE STE 216, Santa Ana, CA 92705

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Erik J Petersen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991945446

PECOS Enrollment IDI20190417001523

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MINAL G PATEL PA-C

Physician Assistant